Annual report pursuant to Section 13 and 15(d)

LOANS AND ALLOWANCE FOR LOAN LOSSES (Loans Receivables Related Risk Rating) (Details)

v3.20.4
LOANS AND ALLOWANCE FOR LOAN LOSSES (Loans Receivables Related Risk Rating) (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total $ 14,021,314 $ 12,610,936
Construction and Land Development    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 318,458  
Term Loans Amortized Cost Basis by Origination Year, 2019 300,855  
Term Loans Amortized Cost Basis by Origination Year, 2018 143,149  
Term Loans Amortized Cost Basis by Origination Year, 2017 25,178  
Term Loans Amortized Cost Basis by Origination Year, 2016 47,362  
Term Loans Amortized Cost Basis by Origination Year, Prior 67,060  
Financing Receivable, Revolving 23,736  
Loans, Total 925,798 1,250,924
Construction and Land Development | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 316,585  
Term Loans Amortized Cost Basis by Origination Year, 2019 277,142  
Term Loans Amortized Cost Basis by Origination Year, 2018 116,800  
Term Loans Amortized Cost Basis by Origination Year, 2017 24,770  
Term Loans Amortized Cost Basis by Origination Year, 2016 42,970  
Term Loans Amortized Cost Basis by Origination Year, Prior 54,023  
Financing Receivable, Revolving 23,324  
Loans, Total 855,614  
Construction and Land Development | Watch    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 1,873  
Term Loans Amortized Cost Basis by Origination Year, 2019 18,181  
Term Loans Amortized Cost Basis by Origination Year, 2018 8,434  
Term Loans Amortized Cost Basis by Origination Year, 2017 344  
Term Loans Amortized Cost Basis by Origination Year, 2016 2,355  
Term Loans Amortized Cost Basis by Origination Year, Prior 6,372  
Financing Receivable, Revolving 412  
Loans, Total 37,971  
Construction and Land Development | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2019 5,532  
Term Loans Amortized Cost Basis by Origination Year, 2018 135  
Term Loans Amortized Cost Basis by Origination Year, Prior 2,655  
Loans, Total 8,322  
Construction and Land Development | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2018 17,780  
Term Loans Amortized Cost Basis by Origination Year, 2017 64  
Term Loans Amortized Cost Basis by Origination Year, 2016 2,037  
Term Loans Amortized Cost Basis by Origination Year, Prior 4,010  
Loans, Total 23,891  
Commercial Real Estate - Owner Occupied    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 289,452  
Term Loans Amortized Cost Basis by Origination Year, 2019 401,062  
Term Loans Amortized Cost Basis by Origination Year, 2018 333,715  
Term Loans Amortized Cost Basis by Origination Year, 2017 254,094  
Term Loans Amortized Cost Basis by Origination Year, 2016 164,702  
Term Loans Amortized Cost Basis by Origination Year, Prior 663,278  
Financing Receivable, Revolving 22,606  
Loans, Total 2,128,909 2,041,243
Commercial Real Estate - Owner Occupied | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 286,522  
Term Loans Amortized Cost Basis by Origination Year, 2019 375,541  
Term Loans Amortized Cost Basis by Origination Year, 2018 300,583  
Term Loans Amortized Cost Basis by Origination Year, 2017 233,359  
Term Loans Amortized Cost Basis by Origination Year, 2016 128,261  
Term Loans Amortized Cost Basis by Origination Year, Prior 570,361  
Financing Receivable, Revolving 18,838  
Loans, Total 1,913,465  
Commercial Real Estate - Owner Occupied | Watch    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 1,942  
Term Loans Amortized Cost Basis by Origination Year, 2019 14,611  
Term Loans Amortized Cost Basis by Origination Year, 2018 22,224  
Term Loans Amortized Cost Basis by Origination Year, 2017 15,623  
Term Loans Amortized Cost Basis by Origination Year, 2016 24,979  
Term Loans Amortized Cost Basis by Origination Year, Prior 41,361  
Financing Receivable, Revolving 1,648  
Loans, Total 122,388  
Commercial Real Estate - Owner Occupied | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 988  
Term Loans Amortized Cost Basis by Origination Year, 2019 6,052  
Term Loans Amortized Cost Basis by Origination Year, 2018 5,749  
Term Loans Amortized Cost Basis by Origination Year, 2017 4,198  
Term Loans Amortized Cost Basis by Origination Year, 2016 9,907  
Term Loans Amortized Cost Basis by Origination Year, Prior 30,455  
Financing Receivable, Revolving 1,121  
Loans, Total 58,470  
Commercial Real Estate - Owner Occupied | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2019 4,858  
Term Loans Amortized Cost Basis by Origination Year, 2018 5,159  
Term Loans Amortized Cost Basis by Origination Year, 2017 914  
Term Loans Amortized Cost Basis by Origination Year, 2016 1,555  
Term Loans Amortized Cost Basis by Origination Year, Prior 21,101  
Financing Receivable, Revolving 999  
Loans, Total 34,586  
Commercial Real Estate - Non-Owner Occupied    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 411,151  
Term Loans Amortized Cost Basis by Origination Year, 2019 608,778  
Term Loans Amortized Cost Basis by Origination Year, 2018 558,283  
Term Loans Amortized Cost Basis by Origination Year, 2017 481,201  
Term Loans Amortized Cost Basis by Origination Year, 2016 456,959  
Term Loans Amortized Cost Basis by Origination Year, Prior 1,093,176  
Financing Receivable, Revolving 48,014  
Loans, Total 3,657,562 3,286,098
Commercial Real Estate - Non-Owner Occupied | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 381,849  
Term Loans Amortized Cost Basis by Origination Year, 2019 455,427  
Term Loans Amortized Cost Basis by Origination Year, 2018 433,183  
Term Loans Amortized Cost Basis by Origination Year, 2017 403,677  
Term Loans Amortized Cost Basis by Origination Year, 2016 336,630  
Term Loans Amortized Cost Basis by Origination Year, Prior 850,035  
Financing Receivable, Revolving 30,421  
Loans, Total 2,891,222  
Commercial Real Estate - Non-Owner Occupied | Watch    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 28,354  
Term Loans Amortized Cost Basis by Origination Year, 2019 142,279  
Term Loans Amortized Cost Basis by Origination Year, 2018 76,838  
Term Loans Amortized Cost Basis by Origination Year, 2017 59,451  
Term Loans Amortized Cost Basis by Origination Year, 2016 79,533  
Term Loans Amortized Cost Basis by Origination Year, Prior 224,944  
Financing Receivable, Revolving 16,870  
Loans, Total 628,269  
Commercial Real Estate - Non-Owner Occupied | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 702  
Term Loans Amortized Cost Basis by Origination Year, 2019 11,072  
Term Loans Amortized Cost Basis by Origination Year, 2018 34,905  
Term Loans Amortized Cost Basis by Origination Year, 2017 18,073  
Term Loans Amortized Cost Basis by Origination Year, 2016 40,771  
Term Loans Amortized Cost Basis by Origination Year, Prior 11,211  
Financing Receivable, Revolving 723  
Loans, Total 117,457  
Commercial Real Estate - Non-Owner Occupied | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 246  
Term Loans Amortized Cost Basis by Origination Year, 2018 13,357  
Term Loans Amortized Cost Basis by Origination Year, 2016 25  
Term Loans Amortized Cost Basis by Origination Year, Prior 6,986  
Loans, Total 20,614  
Multifamily Real Estate    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 147,085  
Term Loans Amortized Cost Basis by Origination Year, 2019 90,814  
Term Loans Amortized Cost Basis by Origination Year, 2018 155,587  
Term Loans Amortized Cost Basis by Origination Year, 2017 117,881  
Term Loans Amortized Cost Basis by Origination Year, 2016 68,601  
Term Loans Amortized Cost Basis by Origination Year, Prior 232,466  
Financing Receivable, Revolving 2,311  
Loans, Total 814,745 633,743
Multifamily Real Estate | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 144,805  
Term Loans Amortized Cost Basis by Origination Year, 2019 85,740  
Term Loans Amortized Cost Basis by Origination Year, 2018 150,724  
Term Loans Amortized Cost Basis by Origination Year, 2017 117,881  
Term Loans Amortized Cost Basis by Origination Year, 2016 67,984  
Term Loans Amortized Cost Basis by Origination Year, Prior 231,113  
Financing Receivable, Revolving 2,311  
Loans, Total 800,558  
Multifamily Real Estate | Watch    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2019 5,074  
Term Loans Amortized Cost Basis by Origination Year, 2018 475  
Term Loans Amortized Cost Basis by Origination Year, 2016 617  
Term Loans Amortized Cost Basis by Origination Year, Prior 560  
Loans, Total 6,726  
Multifamily Real Estate | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 2,280  
Term Loans Amortized Cost Basis by Origination Year, 2018 4,388  
Term Loans Amortized Cost Basis by Origination Year, Prior 760  
Loans, Total 7,428  
Multifamily Real Estate | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, Prior 33  
Loans, Total 33  
Commercial and Industrial    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 1,737,291  
Term Loans Amortized Cost Basis by Origination Year, 2019 389,093  
Term Loans Amortized Cost Basis by Origination Year, 2018 217,726  
Term Loans Amortized Cost Basis by Origination Year, 2017 74,994  
Term Loans Amortized Cost Basis by Origination Year, 2016 76,265  
Term Loans Amortized Cost Basis by Origination Year, Prior 149,277  
Financing Receivable, Revolving 618,814  
Loans, Total 3,263,460 2,114,033
Commercial and Industrial | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 1,730,876  
Term Loans Amortized Cost Basis by Origination Year, 2019 350,618  
Term Loans Amortized Cost Basis by Origination Year, 2018 199,489  
Term Loans Amortized Cost Basis by Origination Year, 2017 67,035  
Term Loans Amortized Cost Basis by Origination Year, 2016 71,799  
Term Loans Amortized Cost Basis by Origination Year, Prior 140,461  
Financing Receivable, Revolving 590,701  
Loans, Total 3,150,979  
Commercial and Industrial | Watch    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 4,872  
Term Loans Amortized Cost Basis by Origination Year, 2019 32,028  
Term Loans Amortized Cost Basis by Origination Year, 2018 13,073  
Term Loans Amortized Cost Basis by Origination Year, 2017 6,500  
Term Loans Amortized Cost Basis by Origination Year, 2016 3,182  
Term Loans Amortized Cost Basis by Origination Year, Prior 4,906  
Financing Receivable, Revolving 19,972  
Loans, Total 84,533  
Commercial and Industrial | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 1,009  
Term Loans Amortized Cost Basis by Origination Year, 2019 2,178  
Term Loans Amortized Cost Basis by Origination Year, 2018 3,890  
Term Loans Amortized Cost Basis by Origination Year, 2017 1,150  
Term Loans Amortized Cost Basis by Origination Year, 2016 724  
Term Loans Amortized Cost Basis by Origination Year, Prior 1,234  
Financing Receivable, Revolving 4,755  
Loans, Total 14,940  
Commercial and Industrial | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 534  
Term Loans Amortized Cost Basis by Origination Year, 2019 4,269  
Term Loans Amortized Cost Basis by Origination Year, 2018 1,274  
Term Loans Amortized Cost Basis by Origination Year, 2017 309  
Term Loans Amortized Cost Basis by Origination Year, 2016 560  
Term Loans Amortized Cost Basis by Origination Year, Prior 2,676  
Financing Receivable, Revolving 3,386  
Loans, Total 13,008  
Residential 1-4 Family - Commercial    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 105,940  
Term Loans Amortized Cost Basis by Origination Year, 2019 96,790  
Term Loans Amortized Cost Basis by Origination Year, 2018 84,076  
Term Loans Amortized Cost Basis by Origination Year, 2017 85,955  
Term Loans Amortized Cost Basis by Origination Year, 2016 74,436  
Term Loans Amortized Cost Basis by Origination Year, Prior 221,833  
Financing Receivable, Revolving 2,919  
Loans, Total 671,949 724,337
Residential 1-4 Family - Commercial | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 104,630  
Term Loans Amortized Cost Basis by Origination Year, 2019 89,332  
Term Loans Amortized Cost Basis by Origination Year, 2018 70,310  
Term Loans Amortized Cost Basis by Origination Year, 2017 79,156  
Term Loans Amortized Cost Basis by Origination Year, 2016 68,915  
Term Loans Amortized Cost Basis by Origination Year, Prior 201,492  
Financing Receivable, Revolving 2,236  
Loans, Total 616,071  
Residential 1-4 Family - Commercial | Watch    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 666  
Term Loans Amortized Cost Basis by Origination Year, 2019 6,665  
Term Loans Amortized Cost Basis by Origination Year, 2018 8,252  
Term Loans Amortized Cost Basis by Origination Year, 2017 4,141  
Term Loans Amortized Cost Basis by Origination Year, 2016 4,067  
Term Loans Amortized Cost Basis by Origination Year, Prior 9,307  
Financing Receivable, Revolving 195  
Loans, Total 33,293  
Residential 1-4 Family - Commercial | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2018 601  
Term Loans Amortized Cost Basis by Origination Year, 2017 663  
Term Loans Amortized Cost Basis by Origination Year, 2016 468  
Term Loans Amortized Cost Basis by Origination Year, Prior 5,923  
Loans, Total 7,655  
Residential 1-4 Family - Commercial | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 644  
Term Loans Amortized Cost Basis by Origination Year, 2019 793  
Term Loans Amortized Cost Basis by Origination Year, 2018 4,913  
Term Loans Amortized Cost Basis by Origination Year, 2017 1,995  
Term Loans Amortized Cost Basis by Origination Year, 2016 986  
Term Loans Amortized Cost Basis by Origination Year, Prior 5,111  
Financing Receivable, Revolving 488  
Loans, Total 14,930  
Residential 1-4 Family - Consumer    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 215,205  
Term Loans Amortized Cost Basis by Origination Year, 2019 77,010  
Term Loans Amortized Cost Basis by Origination Year, 2018 67,318  
Term Loans Amortized Cost Basis by Origination Year, 2017 70,366  
Term Loans Amortized Cost Basis by Origination Year, 2016 104,713  
Term Loans Amortized Cost Basis by Origination Year, Prior 288,243  
Financing Receivable, Revolving 11  
Loans, Total 822,866 890,503
Residential 1-4 Family - Revolving    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 13,340  
Term Loans Amortized Cost Basis by Origination Year, 2019 3,916  
Term Loans Amortized Cost Basis by Origination Year, 2018 1,614  
Term Loans Amortized Cost Basis by Origination Year, 2017 300  
Term Loans Amortized Cost Basis by Origination Year, 2016 0  
Term Loans Amortized Cost Basis by Origination Year, Prior 863  
Financing Receivable, Revolving 576,963  
Loans, Total 596,996 659,504
Auto    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 171,450  
Term Loans Amortized Cost Basis by Origination Year, 2019 116,052  
Term Loans Amortized Cost Basis by Origination Year, 2018 56,608  
Term Loans Amortized Cost Basis by Origination Year, 2017 33,251  
Term Loans Amortized Cost Basis by Origination Year, 2016 17,407  
Term Loans Amortized Cost Basis by Origination Year, Prior 6,556  
Financing Receivable, Revolving 0  
Loans, Total 401,324 350,419
Consumer    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 26,566  
Term Loans Amortized Cost Basis by Origination Year, 2019 68,720  
Term Loans Amortized Cost Basis by Origination Year, 2018 68,104  
Term Loans Amortized Cost Basis by Origination Year, 2017 22,589  
Term Loans Amortized Cost Basis by Origination Year, 2016 10,012  
Term Loans Amortized Cost Basis by Origination Year, Prior 16,164  
Financing Receivable, Revolving 35,575  
Loans, Total 247,730 372,853
Other Commercial    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 223,500  
Term Loans Amortized Cost Basis by Origination Year, 2019 112,045  
Term Loans Amortized Cost Basis by Origination Year, 2018 10,162  
Term Loans Amortized Cost Basis by Origination Year, 2017 31,620  
Term Loans Amortized Cost Basis by Origination Year, 2016 17,683  
Term Loans Amortized Cost Basis by Origination Year, Prior 50,683  
Financing Receivable, Revolving 44,282  
Loans, Total 489,975 287,279
Other Commercial | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 223,490  
Term Loans Amortized Cost Basis by Origination Year, 2019 112,045  
Term Loans Amortized Cost Basis by Origination Year, 2018 9,549  
Term Loans Amortized Cost Basis by Origination Year, 2017 30,314  
Term Loans Amortized Cost Basis by Origination Year, 2016 16,494  
Term Loans Amortized Cost Basis by Origination Year, Prior 42,158  
Financing Receivable, Revolving 44,180  
Loans, Total 478,230  
Other Commercial | Watch    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2018 613  
Term Loans Amortized Cost Basis by Origination Year, 2017 1,299  
Term Loans Amortized Cost Basis by Origination Year, 2016 1,189  
Term Loans Amortized Cost Basis by Origination Year, Prior 3,934  
Loans, Total 7,035  
Other Commercial | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 10  
Term Loans Amortized Cost Basis by Origination Year, 2017 7  
Term Loans Amortized Cost Basis by Origination Year, Prior 4,591  
Financing Receivable, Revolving 102  
Loans, Total 4,710  
Commercial Portfolio    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 3,232,877  
Term Loans Amortized Cost Basis by Origination Year, 2019 1,999,437  
Term Loans Amortized Cost Basis by Origination Year, 2018 1,502,698  
Term Loans Amortized Cost Basis by Origination Year, 2017 1,070,923  
Term Loans Amortized Cost Basis by Origination Year, 2016 906,008  
Term Loans Amortized Cost Basis by Origination Year, Prior 2,477,773  
Financing Receivable, Revolving 762,682  
Loans, Total 11,952,398  
Commercial Portfolio | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 3,188,757  
Term Loans Amortized Cost Basis by Origination Year, 2019 1,745,845  
Term Loans Amortized Cost Basis by Origination Year, 2018 1,280,638  
Term Loans Amortized Cost Basis by Origination Year, 2017 956,192  
Term Loans Amortized Cost Basis by Origination Year, 2016 733,053  
Term Loans Amortized Cost Basis by Origination Year, Prior 2,089,643  
Financing Receivable, Revolving 712,011  
Loans, Total 10,706,139  
Commercial Portfolio | Watch    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 37,707  
Term Loans Amortized Cost Basis by Origination Year, 2019 218,838  
Term Loans Amortized Cost Basis by Origination Year, 2018 129,909  
Term Loans Amortized Cost Basis by Origination Year, 2017 87,358  
Term Loans Amortized Cost Basis by Origination Year, 2016 115,922  
Term Loans Amortized Cost Basis by Origination Year, Prior 291,384  
Financing Receivable, Revolving 39,097  
Loans, Total 920,215  
Commercial Portfolio | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 4,989  
Term Loans Amortized Cost Basis by Origination Year, 2019 24,834  
Term Loans Amortized Cost Basis by Origination Year, 2018 49,668  
Term Loans Amortized Cost Basis by Origination Year, 2017 24,091  
Term Loans Amortized Cost Basis by Origination Year, 2016 51,870  
Term Loans Amortized Cost Basis by Origination Year, Prior 56,829  
Financing Receivable, Revolving 6,701  
Loans, Total 218,982  
Commercial Portfolio | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Term Loans Amortized Cost Basis by Origination Year, 2020 1,424  
Term Loans Amortized Cost Basis by Origination Year, 2019 9,920  
Term Loans Amortized Cost Basis by Origination Year, 2018 42,483  
Term Loans Amortized Cost Basis by Origination Year, 2017 3,282  
Term Loans Amortized Cost Basis by Origination Year, 2016 5,163  
Term Loans Amortized Cost Basis by Origination Year, Prior 39,917  
Financing Receivable, Revolving 4,873  
Loans, Total $ 107,062  
Excluding Purchased Impaired    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   12,524,255
Excluding Purchased Impaired | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   12,142,328
Excluding Purchased Impaired | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   316,317
Excluding Purchased Impaired | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   65,252
Excluding Purchased Impaired | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   358
Excluding Purchased Impaired | Construction and Land Development    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   1,239,980
Excluding Purchased Impaired | Construction and Land Development | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   1,197,066
Excluding Purchased Impaired | Construction and Land Development | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   37,182
Excluding Purchased Impaired | Construction and Land Development | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   5,732
Excluding Purchased Impaired | Construction and Land Development | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Excluding Purchased Impaired | Commercial Real Estate - Owner Occupied    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   2,013,805
Excluding Purchased Impaired | Commercial Real Estate - Owner Occupied | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   1,916,492
Excluding Purchased Impaired | Commercial Real Estate - Owner Occupied | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   87,004
Excluding Purchased Impaired | Commercial Real Estate - Owner Occupied | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   10,309
Excluding Purchased Impaired | Commercial Real Estate - Owner Occupied | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Excluding Purchased Impaired | Commercial Real Estate - Non-Owner Occupied    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   3,271,533
Excluding Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   3,205,463
Excluding Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   62,368
Excluding Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   3,608
Excluding Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   94
Excluding Purchased Impaired | Multifamily Real Estate    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   633,649
Excluding Purchased Impaired | Multifamily Real Estate | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   613,844
Excluding Purchased Impaired | Multifamily Real Estate | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   19,396
Excluding Purchased Impaired | Multifamily Real Estate | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   409
Excluding Purchased Impaired | Multifamily Real Estate | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Excluding Purchased Impaired | Commercial and Industrial    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   2,112,454
Excluding Purchased Impaired | Commercial and Industrial | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   2,043,903
Excluding Purchased Impaired | Commercial and Industrial | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   60,495
Excluding Purchased Impaired | Commercial and Industrial | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   8,048
Excluding Purchased Impaired | Commercial and Industrial | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   8
Excluding Purchased Impaired | Residential 1-4 Family - Commercial    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   712,132
Excluding Purchased Impaired | Residential 1-4 Family - Commercial | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   680,894
Excluding Purchased Impaired | Residential 1-4 Family - Commercial | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   24,864
Excluding Purchased Impaired | Residential 1-4 Family - Commercial | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   6,374
Excluding Purchased Impaired | Residential 1-4 Family - Commercial | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Excluding Purchased Impaired | Residential 1-4 Family - Consumer    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   875,790
Excluding Purchased Impaired | Residential 1-4 Family - Consumer | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   841,408
Excluding Purchased Impaired | Residential 1-4 Family - Consumer | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   13,592
Excluding Purchased Impaired | Residential 1-4 Family - Consumer | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   20,534
Excluding Purchased Impaired | Residential 1-4 Family - Consumer | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   256
Excluding Purchased Impaired | Residential 1-4 Family - Revolving    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   655,377
Excluding Purchased Impaired | Residential 1-4 Family - Revolving | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   641,069
Excluding Purchased Impaired | Residential 1-4 Family - Revolving | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   6,373
Excluding Purchased Impaired | Residential 1-4 Family - Revolving | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   7,935
Excluding Purchased Impaired | Residential 1-4 Family - Revolving | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Excluding Purchased Impaired | Auto    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   350,415
Excluding Purchased Impaired | Auto | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   345,960
Excluding Purchased Impaired | Auto | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   2,630
Excluding Purchased Impaired | Auto | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   1,825
Excluding Purchased Impaired | Auto | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Excluding Purchased Impaired | Consumer    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   372,185
Excluding Purchased Impaired | Consumer | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   371,315
Excluding Purchased Impaired | Consumer | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   550
Excluding Purchased Impaired | Consumer | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   320
Excluding Purchased Impaired | Consumer | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Excluding Purchased Impaired | Other Commercial    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   286,935
Excluding Purchased Impaired | Other Commercial | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   284,914
Excluding Purchased Impaired | Other Commercial | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   1,863
Excluding Purchased Impaired | Other Commercial | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   158
Excluding Purchased Impaired | Other Commercial | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Purchased Impaired    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   86,681
Purchased Impaired | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   32,922
Purchased Impaired | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   27,931
Purchased Impaired | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   25,828
Purchased Impaired | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Purchased Impaired | Construction and Land Development    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   10,944
Purchased Impaired | Construction and Land Development | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   1,092
Purchased Impaired | Construction and Land Development | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   3,692
Purchased Impaired | Construction and Land Development | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   6,160
Purchased Impaired | Construction and Land Development | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Purchased Impaired | Commercial Real Estate - Owner Occupied    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   27,438
Purchased Impaired | Commercial Real Estate - Owner Occupied | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   8,264
Purchased Impaired | Commercial Real Estate - Owner Occupied | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   10,524
Purchased Impaired | Commercial Real Estate - Owner Occupied | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   8,650
Purchased Impaired | Commercial Real Estate - Owner Occupied | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Purchased Impaired | Commercial Real Estate - Non-Owner Occupied    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   14,565
Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   3,826
Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   9,415
Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   1,324
Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Purchased Impaired | Multifamily Real Estate    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   94
Purchased Impaired | Multifamily Real Estate | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   94
Purchased Impaired | Multifamily Real Estate | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Purchased Impaired | Commercial and Industrial    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   1,579
Purchased Impaired | Commercial and Industrial | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   127
Purchased Impaired | Commercial and Industrial | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   25
Purchased Impaired | Commercial and Industrial | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   1,427
Purchased Impaired | Commercial and Industrial | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Purchased Impaired | Residential 1-4 Family - Commercial    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   12,205
Purchased Impaired | Residential 1-4 Family - Commercial | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   6,000
Purchased Impaired | Residential 1-4 Family - Commercial | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   2,693
Purchased Impaired | Residential 1-4 Family - Commercial | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   3,512
Purchased Impaired | Residential 1-4 Family - Commercial | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Purchased Impaired | Residential 1-4 Family - Consumer    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   14,713
Purchased Impaired | Residential 1-4 Family - Consumer | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   9,947
Purchased Impaired | Residential 1-4 Family - Consumer | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   557
Purchased Impaired | Residential 1-4 Family - Consumer | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   4,209
Purchased Impaired | Residential 1-4 Family - Consumer | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Purchased Impaired | Residential 1-4 Family - Revolving    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   4,127
Purchased Impaired | Residential 1-4 Family - Revolving | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   2,887
Purchased Impaired | Residential 1-4 Family - Revolving | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   707
Purchased Impaired | Residential 1-4 Family - Revolving | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   533
Purchased Impaired | Residential 1-4 Family - Revolving | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Purchased Impaired | Auto    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   4
Purchased Impaired | Auto | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   2
Purchased Impaired | Auto | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   2
Purchased Impaired | Auto | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Purchased Impaired | Consumer    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   668
Purchased Impaired | Consumer | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   657
Purchased Impaired | Consumer | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   11
Purchased Impaired | Consumer | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   0
Purchased Impaired | Other Commercial    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   344
Purchased Impaired | Other Commercial | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   120
Purchased Impaired | Other Commercial | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   224
Purchased Impaired | Other Commercial | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Loans, Total   $ 0